Morco Boiler Repairs
Experienced Morco Boiler Repairs specialists
Available 24 hours a day, 7 days a week
Insurance approved
All parts guaranteed for a year
Fully Gas Safe trained engineers
Morco Water Heater Repairs London
Gas Safe registered engineers • 24/7 call handling • London wide
Call Now: 0203 868 6251 | Request a Call Back
Older Morco water heater? We can assess whether a safe repair is sensible or whether replacement is better value.
We cover Morco water heater repairs in London, including pilot light problems, no hot water, ignition faults and thermostat issues. Some older Morco units can be repaired, but parts availability can vary by model and age. We will advise the safest, most cost-effective next step after inspection.
Quick Navigation
Safety First
Smell gas? Turn off the gas supply at the meter if it is safe to do so. Open windows. Leave the property. Call the National Gas Emergency Service on 0800 111 999. Do not use switches, and do not use naked flames.
CO alarm sounding? Open windows immediately. Leave the property. Call 999. Do not re-enter until cleared by emergency services.
Water heater leaking heavily? Turn off the water heater at the controls. If safe, turn off the water supply. Call an engineer.
Repair or Replace
Morco is a UK manufacturer specialising in multipoint water heaters for LPG and mains gas. Morco units are commonly found in caravans, park homes, and properties without mains gas. Many Morco water heaters installed in the 1990s and 2000s are now 15 to 25 years old. Whether to repair or replace depends on the fault, the model, and parts availability.
When repair may be sensible:
- Minor component failure (thermocouple, pilot assembly, diaphragm)
- Parts are available from Morco or suppliers
- First breakdown after years of reliable service
When replacement is often better value:
- Repeat breakdowns or multiple faults
- Major component failure (heat exchanger, gas valve, burner)
- Parts are obsolete or require long lead times
- Unit is over 20 years old
- Repair cost approaches a significant share of a replacement quote
We will advise honestly after inspection. There is no pressure to replace if a repair is practical.
Quick Checks Before You Call
Before calling an engineer, these safe checks may resolve simple issues.
Check the gas supply
Is gas available? For LPG units, check the cylinder or tank level. For mains gas, check other appliances are working.
Check the pilot light
Look through the inspection window. If the pilot is out, follow the lighting instructions on the unit. If it will not stay lit, the thermocouple may need replacing.
Check the water supply
Is water flowing to the unit? Check isolation valves are open.
Check for blockages
Low flow at the taps may indicate limescale buildup in the heat exchanger or a blocked filter.
Common Morco Water Heater Faults
Morco water heaters do not have digital fault code displays. They use pilot lights and manual controls. Common symptoms include:
Pilot light keeps going out
Usually caused by a faulty thermocouple. The thermocouple senses the pilot flame and allows gas to flow. If worn or dirty, it fails to detect the flame. An engineer can test and replace it.
No hot water
May be pilot out, diaphragm failure, or gas valve issue. Check the pilot first. If lit but no hot water, call an engineer.
Water not hot enough
May be limescale buildup in the heat exchanger, incorrect gas pressure, or thermostat fault.
Water too hot
May be thermostat fault or incorrect gas pressure setting. Do not adjust gas settings yourself. Call an engineer.
Unit making noise
Rumbling or banging may indicate limescale buildup. A descale or heat exchanger replacement may be needed.
Morco Models We Cover
Our engineers work on Morco water heaters including:
D61 range: D61B, D61E (mains gas and LPG)
G11 range: G11E (LPG)
F11 range: F11E (LPG)
Older models: Earlier Morco multipoint units
Morco is based in the UK and continues to manufacture water heaters. Parts for current models are generally available. Older model parts may be harder to source.
Replacement Options
If your Morco water heater is 15 to 20 years old or parts are difficult to source, a replacement survey is often the fastest route to certainty.
Like-for-like replacement
If you need to stay with a multipoint water heater (e.g., for LPG or park home installation), a new Morco unit may be the best option.
Upgrade to combi boiler
If mains gas is available, upgrading to a combi boiler provides both heating and hot water from one unit, often more efficiently.
Survey and sizing
We assess your property and hot water demand to recommend the right solution. No high-pressure sales.
System protection
We recommend a powerflush if connecting to an existing heating system to remove sludge and protect the new unit.
Learn more about boiler replacement | New boiler installation
Areas We Cover
We cover Morco water heater repairs and replacements across all London boroughs. See our full coverage area.
Annual Servicing
Gas water heaters should be serviced annually to maintain safety and efficiency. Book a service.
Call Us
Call Now: 0203 868 6251
Lines are open 24 hours. Tell us the model and symptoms. We will advise whether repair or replacement is the better option and, if needed, send an engineer.
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